US3333086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature control apparatus and method
Assignee: Robertshaw Controls Co
•
Filing: 1961-10-05
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Granted: 1967-07-25
•
Expires: 1981-10-05
Abstract
No abstract record available.
Inventors
- 👤 Carl D Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:08
CPC Classifications
H; H01; H01H; H01H61/00; H01H61/01; H01H61/013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE METHOD OF REGULATING THE TEMPERATURE IN A CONFINED SPACE COMPRISING, DERIVING AN ELECTRICAL SIGNAL INVERSELY INDICATIVE OF HEAT CONTENT OF SAID CONFINED SPACE SUBSTANTIALLY INDEPENDENTLY OF TEMPERATURE VARIATIONS AND AT A FIXED TEMPERATURE THEREIN, AMPLIFYING SAID SIGNAL, APPLYING SAID AMPLIFIED SIGNAL FOR VARIABLY GENERATING HEAT IN INVERSE RELATION TO VARIATIONS OF HEAT CONTENT OF SAID FIXED TEMPERATURE, AND TRANSFERRING SAID GENERATED HEAT TO SAID SPACE UNDER CONTROL OF SAID SIGNAL.
Claim 2
Independent Claim
71 words
THE METHOD OF REGULATING THE TEMPERATURE IN A CONFINED SPACE COMPRISING, DERIVING AN ELECTRICAL SIGNAL INVERSELY INDICATIVE OF HEAT CONTENT OF SAID CONFINED SPACE SUBSTANTIALLY INDEPENDENTLY OF TEMPERATURE VARIATIONS AND AT A FIXED TEMPERATURE THEREIN, AMPLIFYING SAID SIGNAL, APPLYING SAID AMPLIFIED SIGNAL FOR VARIABLY GENERATING HEAT IN INVERSE RELATION TO VARIATIONS OF HEAT CONTENT OF SAID FIXED TEMPERATURE, AND TRANSFERRING SAID GENERATED HEAT TO SAID SPACE UNDER CONTROL OF SAID SIGNAL.
References Cited (Backward Citations)
US1332182A
Cited
US1763666A
Cited
US1859765A
Cited
US1994771A
Cited
US2524886A
Cited
US2870310A
Cited
US2846592A
Cited
US2932714A
Cited
US2938130A
Cited
US3028473A
Cited
US3300623A
Cited
US3079484A
Cited
US3229071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |